Currently Being ModeratedNov 1, 2011 8:42 PM (in response to jmarie707)
I had the same problem. Even with group messaging off, everyone was still seeing each other's messages. I think I have found a solution after testing between family phones. Try turning off iMessage. It worked for me. Probably not the best solution but was all I could do.
Currently Being ModeratedNov 15, 2011 11:33 AM (in response to dhop3)
Its a bug in IOS5. See this thread:
Also please call and report the bug to Apple as they are acting as if no one is having the issue.